.lineCoverCenterWithTitleContent{
    margin-top: 52px;
}
.lineCoverCenterWithTitleAboutUsContent .leftImgRigntCenterBoxShadowContentInfo{
    height: 467px;
    padding: 10px 25px;
}
.lineCoverCenterWithTitleAboutUsContent .leftImgRigntCenterBoxShadowContentInfo .leftImgRigntCenterBoxShadowContentInfoDesc{
    font-size: 14px;
    font-family: 'YouYuan';
    font-weight: 400;
    color: black;
    margin-bottom: 20px;
    text-indent: 2em;
    line-height: 20px;
}
.lineCoverCenterWithTitleBusinessContent .businessContent{
    display: flex;
    margin-bottom: 20px;
    justify-content: space-between;
}
.lineCoverCenterWithTitleBusinessContent .businessContentItem{
    width: 350px;
    height: 140px;
    display: flex;
    justify-content: center;
    border-radius: 5px;
    padding-top: 35px;
    box-sizing: border-box;
}
.lineCoverCenterWithTitleBusinessContent .businessContentItemBg{
    margin-right: 25px;
    margin-top: -8px;
}
.lineCoverCenterWithTitleBusinessContent .businessContentItemNumber{
    top: 0px;
    position: relative;
    font-size: 36px;
    font-family: 'MFQiHeiNoncommercial-Regular';
    margin-bottom: 8px;
}
.lineCoverCenterWithTitleBusinessContent .businessContentItemDesc{
    color: #040404;
    font-family: 'YouYuan';
    font-size: 16px;
}
.developmentHistoryContent{
    width: 100%;
    height: 1344px;
    margin-top: 50px;
    background-image: url('../images/../images/briefIntroductionOther/bottomBg.png');
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center center;
    background-color: #050713;
    overflow: hidden;
}
.developmentHistoryContent .developmentHistoryContentTop{
    margin-top: 50px;
    margin-bottom: 18px;
}
.developmentHistoryContentTop .developmentHistoryContentTopTitle{
    font-size: 30px;
    font-family: 'YouYuan';
    color: #FFFFFF;
    text-align: center;
}
.developmentHistoryContentTop .developmentHistoryContentTopDesc{
    font-size: 24px;
    font-family: 'SimSun-ExtB';
    color: #C4C0C0;
    margin-top: 5px;
    text-align: center;
}

.briefIntroductionTimeLineContent{
    width: 1100px;
    display: flex;
    flex-flow: column nowrap;
    margin: 0 auto;
    margin-top: 83px;
    align-items: center;
    box-sizing: border-box;
}
.briefIntroductionTimeLineItem{
    display: flex;
    position: relative;
    margin-top: -40px;
}
.itemSingle{
    margin-top: 0;
}
.briefIntroductionTimeLineItem:nth-child(1){
    margin-top: 0;
}
.briefIntroductionTimeLineItem .startOrEndTimeLineContent{
    position: absolute;
    width: 20px;
    display: none;
}
.briefIntroductionTimeLineItem .startOrEndTimeLineContent .startOrEndTimeLineContentCircle{
    height: 20px;
    background: #5B6777;
    border-radius: 50%;
}
.briefIntroductionTimeLineItem .startTimeLine{
    top: -65px;
}
.briefIntroductionTimeLineItem .endTimeLine{
    bottom: -65px;
}
.briefIntroductionTimeLineItem .startOrEndTimeLineContent .startOrEndTimeLineContentLine{
    width: 5px;
    height: 45px;
    margin: 0 auto;
    background: #5B6777;
}
.briefIntroductionTimeLineItem .endTimeLine{
    display: none;
}
.briefIntroductionTimeLineItem:nth-child(1) .startTimeLine{
    display: block;
}
.briefIntroductionTimeLineItem:nth-last-child(1) .endTimeLine{
    display: block;
}
.briefIntroductionTimeLineItem .briefIntroductionTimeLineItemStart{
    width: 870px;
    display: flex;
}
.briefIntroductionTimeLineItem .briefIntroductionTimeLineItemStart .topTextBottomImgContent{
    margin-right: 12px;
    display: flex;
    flex-flow: column nowrap;
}
.itemSingle .topTextBottomImgContentDesc{
    display: flex;
    align-self: center;
    margin-right: 20px;
 }
 .itemSingle .topTextBottomImgContentTitle{
     display: none;
 }
.itemSingle .briefIntroductionTimeLineItemStart .topTextBottomImgContent{
    flex-flow: row nowrap;
}
.itemSingle.itemSortLeft .briefIntroductionTimeLineItemStart .topTextBottomImgContent{
    flex-direction: row-reverse;
}
.itemSingle.itemSortLeft .topTextBottomImgContentDesc{
    margin-right:0;
}
.itemSingle.itemSortLeft .topTextBottomImgContentBg{
    margin-right:12px;
}
.briefIntroductionTimeLineItem .briefIntroductionTimeLineItemLeft .topTextBottomImgContent:nth-last-child(1){
    margin-right: 79px;
}
.briefIntroductionTimeLineItem .briefIntroductionTimeLineItemLeft .topTextBottomImgContent:nth-child(1){
    margin-left: auto;
}
.topTextBottomImgContentTitle{
    font-family: 'YouYuan';
    font-size: 24px;
    color: #C4C0C0;
    margin-bottom: 10px;
    text-align: center;
}
.topTextBottomImgContentDesc{
    font-family: 'YouYuan';
    font-size: 14px;
    color: #C4C0C0;
    margin-bottom: 10px;
    text-align: center;
}
.topTextBottomImgContentBg{
    width: 191px;
    height: 145px;
    margin: 0 auto;
}
.topTextBottomImgContentBg img{
    width: 100%;
    height: 100%;
}
.briefIntroductionTimeLineItemCenter{
    width: 26px;
    display: flex;
    flex-flow: column nowrap;
    align-items: center;
    position: relative;
}
.briefIntroductionTimeLineItemCenterTopCircle{
    width: 26px;
    height: 26px;
    border: 2px solid #A1A1A1;
    border-radius: 50%;
    box-sizing: border-box;
    background: #E7E7E7;
}
.briefIntroductionTimeLineItemCenterTopLine{
    height: 100%;
    width: 5px;
    background: #5B6777;
}
.briefIntroductionTimeLineItemCenterTopText{
    width: 200px;
    font-size: 24px;
    font-family: 'MFQiHeiNoncommercial-Regular';
    color: #C4C0C0;
    position: absolute;
    top: 0;
    right: 36px;
    text-align: right;
}
.itemSortRight .briefIntroductionTimeLineItemCenterTopText{
    left: 36px;
    right: initial;
    text-align: left;
}
.briefIntroductionTimeLineItem .briefIntroductionTimeLineItemRight .topTextBottomImgContent:nth-child(1){
    margin-left: 79px;
}
.briefIntroductionTimeLineItem .briefIntroductionTimeLineItemRight .topTextBottomImgContent:nth-child(1){
    margin-right: 0;
}